1 STG Estriol 3-(B-D-glucuronide) 1.000 2 E3G Estrone beta-D-glucuronide 0.970 3 U38 Estradiol-17beta-glucuronide 0.757 4 D75 Daidzein-7-O-glucuronide 0.730 5 3X8 Biphenyl-4-yl alpha-D-mannopyranoside 0.727 6 CWK 3'-chloro-4'-(alpha-D-mannopyranosyloxy)biphenyl-4-carbonitrile 0.714 7 G7G Genistein-7-O-glucuronide 0.711 8 DZN Daidzin 0.703